Shelf design



FIG. 1.1 is a bottom plan view of my new design;

FIG. 1.2 is a top plan view of FIG. 1.1;

FIG. 1.3 is a front side view of FIG. 1.1, the back side being a mirror image thereof;

FIG. 1.4 is a right side view of FIG. 1.1, the left side being a mirror image thereof;

FIG. 1.5 is a perspective top left side view left side view of FIG. 1.1; and

FIG. 1.6 is a perspective bottom left side view of FIG. 1.1. 

CLAIM The ornamental design for a shelf design, as shown and described. 